The reasoning in the patch notes for Viktor indicate that Lux could use a small nerf
Read the reason behind Riot´s nerfing of Viktor "Viktor's been a strong pick on the Rift for many patches thanks to his safe and consistent laning phase. Though not possessing any mobility in the traditional sense (dashes, etc), Viktor's safety comes primarily from his single-spell range and waveclear. We’re fine with Viktor applying pressure via waveclear without fear of every gank, but laning against him is low on interaction given how easily he’s able to ignore you and laser-focus the minion line. Tuning that efficiency so Viktor’s opponents have more windows to fight back before he hits that critical break-point." Now , remove all the Viktor´s from the text and put Lux in his place, and tell me if it would not seem fair that she would get a small nerf.